Shannon River Fund Management LLC 13F holdings, Q1 2026
Holdings as of March 31, 2026 · filings on SEC EDGAR · latest filing →
Shannon River Fund Management LLC disclosed 28 US equity positions worth $524.1m in its Q1 2026 13F filing. The largest position was TSEM at 16.9% of the reported book, followed by MRVL and LYV.
What did Shannon River Fund Management LLC own in Q1 2026? Top 28 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs prior |
|---|---|---|---|---|---|---|---|
| 1 | TSEM TOWER SEMICONDUCTOR LTD | Technology | 16.9% | $88.5m | 504,239 | – | |
| 2 | MRVL MARVELL TECHNOLOGY INC | Technology | 10.7% | $55.8m | 563,573 | – | |
| 3 | LYV LIVE NATION ENTERTAINMENT IN | Communication Services | 8.6% | $44.9m | 294,398 | – | |
| 4 | ABNB AIRBNB INC | Consumer Cyclical | 6.0% | $31.2m | 247,006 | – | |
| 5 | RMBS RAMBUS INC DEL | Technology | 5.5% | $28.7m | 333,817 | – | |
| 6 | COHR COHERENT CORP | Technology | 4.0% | $20.9m | 87,905 | – | |
| 7 | FLEX FLEXTRONICS INTL LTD | Technology | 3.9% | $20.4m | 311,223 | – | |
| 8 | AXON AXON ENTERPRISE INC | Industrials | 3.8% | $20.1m | 47,442 | – | |
| 9 | EXTR EXTREME NETWORKS | Technology | 3.8% | $19.8m | 1,313,061 | – | |
| 10 | TOST TOAST INC | Technology | 3.7% | $19.4m | 732,027 | – | |
| 11 | LGN LEGENCE CORP | Industrials | 3.6% | $19.1m | 337,638 | – | |
| 12 | IDCC INTERDIGITAL INC | Technology | 3.1% | $16.3m | 54,104 | – | |
| 13 | HNGE HINGE HEALTH INC | Healthcare | 3.1% | $16.1m | 417,182 | – | |
| 14 | ADTN ADTRAN HOLDINGS INC | Technology | 2.9% | $15.3m | 1,219,976 | – | |
| 15 | CLS CELESTICA INC | Technology | 2.9% | $15.1m | 53,495 | – | |
| 16 | FFIV F5 INC | Technology | 2.8% | $14.5m | 50,196 | – | |
| 17 | LION LIONSGATE STUDIOS CORP | 1.9% | $10.0m | 1,040,934 | – | ||
| 18 | GWRE GUIDEWIRE SOFTWARE INC | Technology | 1.8% | $9.4m | 62,863 | – | |
| 19 | UUUU ENERGY FUELS INC | Energy | 1.8% | $9.3m | 507,555 | – | |
| 20 | SPHR SPHERE ENTERTAINMENT CO | Communication Services | 1.6% | $8.6m | 73,345 | – | |
| 21 | AMBA AMBARELLA INC | Technology | 1.1% | $5.9m | 114,940 | – | |
| 22 | APP APPLOVIN CORP | Communication Services | 1.1% | $5.8m | 14,480 | – | |
| 23 | DLR DIGITAL RLTY TR INC | Real Estate | 1.0% | $5.4m | 29,838 | – | |
| 24 | ALAB ASTERA LABS INC | Technology | 1.0% | $5.2m | 47,394 | – | |
| 25 | OSIS OSI SYSTEMS INC | Technology | 1.0% | $5.1m | 19,274 | – | |
| 26 | EQIX EQUINIX INC | Real Estate | 1.0% | $5.0m | 5,102 | – | |
| 27 | PLTR PALANTIR TECHNOLOGIES INC | Technology | 0.8% | $4.3m | 29,150 | – | |
| 28 | SNOW SNOWFLAKE INC | Technology | 0.8% | $4.0m | 26,377 | – |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.